- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.403 inches nominal
- Fastener Length
- 1.763 inches minimum and 1.793 inches maximum
- Head Style
- Pan no. 2
- Head Diameter
- 0.477 inches minimum and 0.492 inches maximum
- Head Height
- 0.140 inches minimum and 0.150 inches maximum
- Grip Diameter
- 0.248 inches minimum and 0.249 inches maximum
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 1.365 inches minimum and 1.385 inches maximum
- Thread Quantity per Inch
- 28
- Material
- Steel comp 4140 overall and steel comp 4340 overall and steel comp 8740 overall
- Material Document and Classification
- MIL-S-5626 mil spec 1ST material response overall and AMS6415 assn std 2ND material response overall and MIL-S-5000 mil spec 3RD material response overall and MIL-S-6049 mil spec 4TH material response overall
- Surface Treatment
- Cadmium overall
- Surface Treatment Document and Classification
- Q-P-416, type ii, class 2 fed spec 13TH treatment response overall
- Thread Series Designator
- UNJF
Catalogue data is compiled from public DLA/FLIS sources and is provided for
identification. Availability, condition and certification are confirmed on
quotation. OmniSynk Distribution Services is a stocking distributor.